//导入http模块
const http = require('http')

// 创建服务对象
const server = http.createServer((request, response) => {
    response.setHeader('Content-Type', 'text/html;charset=utf-8')
    // 设置响应体
    response.end('你好，hello world!')
})

// 监听端口，启动服务
server.listen(9000, () => {
    console.log('服务启动成功...')
})